Inside case back is signed "MONTRES TUDOR S.A. GENEVA SWITZERLAND PATENTED STAINESS STEEL C.R.S." with the Rolex emblem.Fit for ETA 7750 chronograph movement . With Black colour Bezel and S.S. pusher. Same with original size.Diameter of the case is 39mm.Price on request.If you want to order this case please contact us first.